Writing instrument



FIG. 1 is a perspective view showing the design;

FIG. 2 is a left-side elevational view of the writing instrument of FIG. 1, the right-side elevational view being a mirror image thereof;

FIG. 3 is a front elevational view of the writing instrument of FIG. 1;

FIG. 4 is a rear elevational view of the writing instrument of FIG. 1;

FIG. 5 is a top plan view of the writing instrument of FIG. 1;

FIG. 6 is a bottom plan view of the writing instrument of FIG. 1;

FIG. 7 is another left-side elevational view of the writing instrument of FIG. 1;

FIG. 8 is a perspective view showing a second embodiment of the design;

FIG. 9 is a left-side elevational view of the writing instrument of FIG. 8, the right-side elevational view being a mirror image thereof;

FIG. 10 is a front elevational view of the writing instrument of FIG. 8;

FIG. 11 is a rear elevational view of the writing instrument of FIG. 8;

FIG. 12 is a top plan view of the writing instrument of FIG. 8;

FIG. 13 is a bottom plan view of the writing instrument of FIG. 8;

FIG. 14 is a perspective view showing a third embodiment of the design;

FIG. 15 is a left-side elevational view of the writing instrument of FIG. 14, the right-side elevational view being a mirror image thereof;

FIG. 16 is a rear elevational view of the writing instrument of FIG. 14;

FIG. 17 is a front elevational view of the writing instrument of FIG. 14;

FIG. 18 is a top plan view of the writing instrument of FIG. 14;

FIG. 19 is a bottom plan view of the writing instrument of FIG. 14;

FIG. 20 is another left-side elevational view of the writing instrument of FIG. 14;

FIG. 21 is a perspective view showing a fourth embodiment of the design;

FIG. 22 is a left-side elevational view of the writing instrument of FIG. 21, the right-side elevational view being a mirror image thereof;

FIG. 23 is a rear elevational view of the writing instrument of FIG. 21;

FIG. 24 is a front elevational view of the writing instrument of FIG. 21;

FIG. 25 is a top plan view of the writing instrument of FIG. 21; and,

FIG. 26 is a bottom plan view of the writing instrument of FIG. 21. 

I claim the ornamental design for a writing instrument, as shown and described. 